16,883 active companies are based in Slough according to Companies House records. Out of 19,272 companies ever registered here, 24 are no longer active — a 88% survival rate. The area has seen significant recent growth, with 65.3% of active businesses incorporated since 2020. Over half (72%) of active companies were formed since 2020, making this one of the UK's fastest-growing business locations. The most common industry sector is buying and selling of own real estate, with 1,256 companies. The area hosts 232 large enterprises, 195 small firms. Slough is home to 247 FCA-regulated firms and 96 registered charities. Companies here hold 339 government contracts worth £1.7B in total. The average company age is 6.1 years. The earliest company registration in Slough dates back to 1890.
Source: Companies House register via UVAGATRON, April 2026
Slough is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Slough is 6.1 years old. There are 247 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 96 registered charities operate locally.
Companies in Slough have been awarded 339 government contracts with a combined value of £1707.3M. See the Top Government Contractors report.
There are 16,883 active companies registered in Slough, out of 19,272 total. 24 (0%) are no longer active.
The top industries in Slough include Buying and selling of own real estate (1,256 companies), Retail sale via mail order houses or via Internet (832 companies), Information technology consultancy activities (818 companies).
65.3% of currently active companies in Slough were incorporated since 2020, indicating strong recent growth.
Our database contains 98,160 data signals across 11 categories for active companies in Slough. The largest category is Governance with 50,463 signals from 5 sources.
The oldest company registration in Slough dates back to 1890, spanning over 136 years of business history.